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Commit 1d7ea992 authored by Azhar Shaikh's avatar Azhar Shaikh
Browse files

PM: Fix a bug in dpm_suspend_late() 



If there is any error while executing "late suspend" callbacks, then
the pm_runtime_enable() will not be called.
Hence in case of an error call pm_runtime_enable() before exiting from
dpm_suspend_late().

CRs-fixed: 740511
Change-Id: Iedacbbf47a4ef0ab0a0ace71fc809d056d56f89f
Signed-off-by: default avatarAzhar Shaikh <azhars@codeaurora.org>
parent 04e700e7

drivers/base/power/main.c

+10 −1
Original line number Diff line number Diff line
@@ -1000,6 +1000,7 @@ static int device_suspend_late(struct device *dev, pm_message_t state) 
{

	pm_callback_t callback = NULL;

	char *info = NULL;

	int error = 0;



	__pm_runtime_disable(dev, false);
@@ -1025,7 +1026,15 @@ static int device_suspend_late(struct device *dev, pm_message_t state) 
		callback = pm_late_early_op(dev->driver->pm, state);

	}



	return dpm_run_callback(callback, dev, state, info);

	error = dpm_run_callback(callback, dev, state, info);

	if (error)

		/*

		 * dpm_resume_early wouldn't be run for this failed device,

		 * hence enable runtime_pm now

		 */

		pm_runtime_enable(dev);



	return error;

}



/**